Professional Rock Tumbler Kit, 22LB Extra-Large Barrel with Cutting-Edge Brushless Motor, Real-Time Motor Output & Runtime Display - Heavy Duty Metal Base for Adults & Rock Collectors
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Color: Black
Features
- Long-term heavy-duty use may wear belts over time. Request up to 10 extra belts at no cost by contacting our support team: . Were here to ensure your A3 tumbler always performs like new.
- Serviceable Design + 5-Year Warranty Built, Not Disposable: All core componentsincluding belts, barrel, and drive partsare replaceable to keep the machine running at peak performance. Backed by a 5-Year Warranty and U.S.-based support, the A3 is designed for a 10+ year service life, making it a true long-term investment. If You Want the Best, You Want AtoRock Tumblers.
- Designed by Experts Proven AtoRock Quality: Developed by a U.S.-based team with over 10 years of rock tumbling experience, AtoRock focuses exclusively on building reliable, professional tumblers. With a proven lineup from A1 (entry-pro model), A1 Pro (dual-barrel tumbler) to A3 (22lb heavy duty rock tumbler), every machine is rigorously tested and refined to meet the demands of serious hobbyists, collectors, and workshopsnot casual or disposable use.
- Industrial-Grade Brushless Motor Up to 3 Longer Lifespan: The brushless design eliminates carbon brushes and dust buildup, dramatically extending motor lifespan. Rated for up to 40,000 hours, it offers up to 3 the service life of traditional brushed motorsideal for users who run their tumbler frequently or continuously.
- Extra-Large 22 lb Single Barrel Up to 10 Higher Polishing Efficiency: The 22 lb extra-large barrel allows polishing up to 10 more material per cycle, reducing batch frequency while handling larger stones with ease. Reinforced construction with six metal twist knobs ensures secure sealing and stability during high-volume operation.
- Real-Time Motor Output & Runtime Display (Exclusive Feature): An exclusive digital display shows total tumbling days, extra hours, and real-time watt output, allowing you to monitor motor load at any time. Even under full load, typical daily energy consumption stays below 0.5 kWh, making long-term heavy-duty tumbling both powerful and cost-efficient.
- Full Metal Heavy-Duty Construction Maximum Stability, Reduced Vibration: Built with a reinforced all-metal base and metal-clad barrel, the rigid structure minimizes vibration and maintains stability during extended operation. Compared to plastic-bodied tumblers, this design delivers superior durability and consistent polishing results over years of heavy use.
Description
At AtoRock, we believe every stone carries a story. That’s why we build our machines with professional-grade metal frames, brushless motors, and large-capacity barrels—ensuring strength, stability, and flawless results every time. For those seeking maximum capacity, long-term reliability, and professional-grade results, the A3 is our ultimate solution. Its 22 lb single barrel, industrial brushless motor, full-metal heavy-duty construction, and serviceable design make it ideal for hobbyists, collectors, and workshops who demand consistent, high-quality polishing for years to come. We’re more than a product—we’re your long-term creative partner. From polishing your first stone to handling large, high-volume batches, AtoRock supports your journey every step of the way. ✔ 5-Year Warr.anty & 90-Day Satisfaction Guar.antee ✔ Lifetime Access to Replacement Parts & Technical Supp.ort ✔ Engineered for Serious Hobbyists, Collectors, and Professional Users 4LB Rock Tumbler Grit 10LB Rock Tumbler Grit Metal Rock Tumbler Double BarrelModel Extra Large Rock Tumbler
Brand Name: AtoRock
Age Range Description: Suitable for ages 16 and above
Manufacturer Warranty Description: 5-Year Warranty Against Manufacturer Defects. Simply contact us at to activate and extend your coverage.
Number of Packs: 1
Manufacturer Minimum Age (MONTHS): 156
Set Name: A3
Manufacturer: AtoRock
Unit Count: 1 Count
Included Components: 2 Durable Belts, AC Adapter, Bearing Nuts x 2 & Thumb Nuts x 2, Small Pulley Screws x 2 & T-Handle/ Bearing Screwdriver x 1, Metal Rock Tumbler Base & 22LB Capacity Metal Barrel, Support Email , Warranty Card & Illustrated Learning Booklet
Model Number: A3
Manufacturer Part Number: DSWRA3250901
Educational Objective: Stem
Power Source: AC-powered
Supported Battery Types: No batteries required
Operation Mode: Manual
Indoor Outdoor Usage: Indoor
Theme: 1-Year replacement, please feel free to contact us for any issue.
Color: Black
Size: Extra Large - 22LB Rock Tumbler
Item Weight: 11.29 kg
Item Dimensions: 16.46 x 15.75 x 18.7 inches
Material Type: Brushless Motor
Frequently asked questions
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